OOB read in php_strip_tags_ex
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.5epss 7.1%
exploitation probability
7.1%top 6% of all CVEs
observed exploitation
nono source reports it
When using fgetss() function to read data with stripping tags, in PHP versions 7.2.x below 7.2.27, 7.3.x below 7.3.14 and 7.4.x below 7.4.2 it is possible to supply data that will cause this function to read past the allocated buffer. This may lead to information disclosure or crash.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
Affected products
PHP Group · PHPReferences
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00023.htmlhttps://bugs.php.net/bug.php?id=79099https://lists.debian.org/debian-lts-announce/2020/02/msg00030.htmlhttps://seclists.org/bugtraq/2020/Feb/27https://seclists.org/bugtraq/2020/Feb/31https://seclists.org/bugtraq/2021/Jan/3https://security.gentoo.org/glsa/202003-57https://security.netapp.com/advisory/ntap-20200221-0002/https://usn.ubuntu.com/4279-1/https://www.debian.org/security/2020/dsa-4626https://www.debian.org/security/2020/dsa-4628https://www.oracle.com/security-alerts/cpuApr2021.html